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Abstract

Disclosed is a disk pack design for a hard disk drive in which all parts including a disk, a spin motor hub, a disk spacer, and a disk clamp are made of ceramics. (Image Omitted)

Country

United States

Language

English (United States)

This text was extracted from an ASCII text file.

This is the abbreviated version, containing approximately
100% of the total text.

Whole Ceramic Disk Pack

Disclosed is
a disk pack design for a hard disk drive in
which all parts including a disk, a spin motor hub, a disk spacer,
and a disk clamp are made of ceramics.

(Image Omitted)

Disk substrates
made of ceramics are mounted on a motor
hub
made of ceramics. A disk spacer of ceramics is positioned between
disks and the disk and the spacer clamped by a disk clamp of
ceramics.

The advantage
of this design is to minimize the deformation of
each part under thermal stress condition and to minimize the shift or
slip of the disk because of the low coefficient of linear thermal
expansion of ceramics.